Display screen or portion thereof with animated cluster markers on a graphical user interface



FIG. 1 is a first image in a sequence for a display screen or portion thereof with animated cluster markers on a graphical user interface;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof; and,

FIG. 4 is an enlarged view of the cluster marker shown in FIG. 1.

The appearance of the cluster markers on a graphical user interface sequentially transitions between the images shown in FIGS. 1-3. The process or period in which one image transitions to another image forms no part of the claimed design. The broken line showing of a display screen or a portion thereof with graphical user interface is included for purpose of illustrating portions of the article and form non part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with animated cluster markers on a graphical user interface, as shown and described. 